A clinical trial is investigating the efficacy of three different therapeutic regimens: Regimen Alpha, Regimen Beta, and Regimen Gamma. There are 120 volunteers participating in the study.
Explain how the researchers could randomly allocate the 120 participants to the three treatment groups so that there are exactly 40 participants in each group.
Practise AQA A Level Psychology Scientific processes with exam-style questions for A Level Psychology. 689 questions, matched to the AQA A Level Psychology (7182) specification and written in Paper 1, Paper 2 and Paper 3 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.
